參數(shù)資料
型號： ISL90726
廠商： Intersil Corporation
元件分類： 數(shù)字電位計
英文描述： Digitally Controlled Potentiometer (XDCP)
中文描述： 數(shù)控電位器（數(shù)字電位器）
文件頁數(shù)： 3/8頁
文件大?。?/td> 226K
代理商： ISL90726
3
FN8244.1
August 3, 2005
Analog Specifications
Absolute Maximum Ratings
Recommended
Operating Conditions
Storage temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Voltage at any digital interface pin
with respect to V
SS
. . . . . . . . . . . . . . . . . . . . . . -0.3V to V
CC
+0.3
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to +7V
Voltage at any DCP pin with
respect to V
SS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to V
CC
Lead temperature (soldering, 10s). . . . . . . . . . . . . . . . . . . . . .300°C
I
W
(10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6mA
Latchup . . . . . . . . . . . . . . . . . . . . . . . . . . . Class II, Level B at 85°C
ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >2kV Human Body Model
Industrial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
Power rating of each DCP. . . . . . . . . . . . . . . . . . . . . . . . . . . . .5mW
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Over recommended operating conditions unless otherwise stated.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(Note 1)
MAX
UNIT
R
TOTAL
R
H
to R
L
resistance
W, U versions respectively
10, 50
k
R
H
to R
L
resistance tolerance
-20
+20
%
R
W
(Note 10)
Wiper resistance
V
CC
= 3.3V @25°C
85
C
H
/C
L
/C
W
(Note 10)
Potentiometer Capacitance
10/10/
25
pF
I
LkgDCP
Leakage on DCP pins
Voltage at pin from GND to V
CC
0.1
1
μA
RESISTOR MODE
RINL
(Note 8)
Integral non-linearity
DCP register set between 20 hex and 7F hex.
Monotonic over all tap positions
-2
±0.25
2
MI
(Note 5)
RDNL
(Note 7) Differential non-linearity
DCP register set between 20 hex
and 7F hex. Monotonic over all tap
positions
W option
-1
±0.1
1
MI
(Note 5)
U option
-1
±0.1
1
MI
(Note 5)
Roffset
(Note 6)
Offset
W option
0
1
3
MI
(Note 5)
U option
0
0.5
2
MI
(Note 5)
TC
R
(Notes 9, 10)
Resistance Temperature Coefficient
DCP register set between 20 hex and 7F hex
±45
ppm/°C
Operating Specifications
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(Note 1)
MAX
UNIT
I
CC1
V
CC
supply current
(Volatile write/read)
f
SCL
= 400kHz; SDA = Open; (for I
2
C, Active,
Read and Volatile Write States only)
200
μA
I
SB
V
CC
current (standby)
V
CC
= +5.5V, I
2
C Interface in Standby State
500
nA
I
ComLkg
t
DCP
(Note 10) DCP wiper response time
Common-Mode Leakage
Voltage at SDA pin at GND or V
CC
3
μA
SCL falling edge of last bit of DCP Data Byte to
wiper change
500
ns
V
CC
Ramp
V
CC
ramp rate
0.2
V/ms
t
D
Power-up delay
V
CC
above Vpor, to DCP Initial Value Register
recall completed, and I
2
C Interface in standby
state
3
ms
ISL90726
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